Card products

A card product, comprising:

• a tray having a recess;
• a card package including one or more cards and a pillow bag configured to accommodate the one or more cards;
• and
• a packaging material configured to maintain the card package within the recess of the tray in the state where the card package is accommodated in the recess of the tray by covering the card package accommodated in the recess of the tray from above,
• wherein the recess of the tray has a depth such that, when the card package is accommodated in the recess of the tray and is accommodated in the packaging material, the card package does not ride up on the side walls of the recess, and a width such that, when the card package is accommodated in the recess of the tray, the card package does not move laterally,
• wherein the pillow bag and/or the packaging material are marked with theme of the card package,
• wherein the packaging material accommodates the tray and the card package and is sealed by heat sealing,
• wherein the tray, the pillow bag, and the packaging material are each formed of a single material, and
• wherein the tray, the pillow bag, and the packaging material are disposable as separate components after the one or more cards have been removed.